CVE-2026-42436 OpenClaw < 2026.4.14 - Internal Page Content Exposure via Browser Snapshot and Screenshot Routes
Authenticated attackers can bypass SSRF restrictions to expose internal page content via browser snapshot and screenshot routes in OpenClaw.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-42436?
CVE-2026-42436 is a medium-severity server-side request forgery vulnerability in OpenClaw, published on 5 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
OpenClaw before 2026.4.14 contains an improper access control vulnerability in browser snapshot, screenshot, and tab routes that fail to consistently validate the final browser target after navigation. Authenticated callers can bypass SSRF restrictions to expose internal or disallowed page content by exploiting route-driven navigation without proper policy re-validation.
Weakness: CWE-862
Which versions are affected by CVE-2026-42436?
2 open source packages ship an affected version, including openclaw.
| Package | Affected | Fixed in |
|---|---|---|
openclaw npm | All versions | 2026.4.14 |
openclaw npm | All versions | 2026.4.14 |
How do I fix CVE-2026-42436?
Upgrade openclaw to 2026.4.14 or later.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-42436 being exploited?
There is no known exploitation of CVE-2026-42436 in the wild and no public exploit code.
Sources
Also known as GHSA-c4qm-58hj-j6pj, MINI-xx4m-jh7m-9g63.